Broaching (or annular) cutters is proven in their daily use in many kinds of application throughout the world. By removing only the metal at the periphery of the hole and ejecting a solid slug at the end of the cut, less material is converted into 'chips', requiring much less power than conventional twist drills. The unique geometry of CDTooling cutters also helps to achieve faster feed, lower cutting resistance, greater accuracy, longer tool life and a better finish. Available in a wide range of standard sizes in high speed steel and tungsten-carbide